Tool grinder



E. E. ANTHONY.

v TOOL GRINDER.

APPLICATION FILED -Novt I0, 1919.

STATES ELLIOTT E. ANTHONY,'OF CHICAGO, ILLINOIS.

TOOL GRINDER.,

Specification of Letters Patent. i Patented Feb. 11922.

Application filed November 10, 1919. Serial No. 337,088.

.To all whom it my concern:

-Be it known that` I, ELLIOTT E.. ANTHONY, acitizen of the United States, and a resident o the city of Chicago, county of Cook, and State of Illinois, have invented certain newV and useful Improvements in ToolGrinders, of which the'iollowing is a specification.

My invention relates to new yand useful improvements in tool grinders, and has for -`its object the provision of a tool grinder which may be attached to a lathe.

Another'object is the provision in a tool grinder of means for securing the same to a lathe, permitting of adjustment of the tool grinder relatively to the lathe. Y Other objects will appear hereinafter.

The invention consists in the combinations and arrangements of parts hereinafter described and claimed. Y

The invention will be best understood by lreference to the accompanying drawings forming a `part of this "specii'cation, and in which,

.Fig 1 is a side'elevational view of my invention applied to a lathe showing parts in section,

2 is a rear elevational view of my invention, Y j

'Fig.`3 isa top plan view of my invention,

: Fig. 4 is a sectional view takenv onsubstantially line4-4 of Fig. 1,

Fi 5 is a sectional view taken on substantially line 5-5 of Fig. 1, andl Fig.' 6 is a side elevational view of a journal embodied in my invention.

' The approved form of construction comprises an arm 7, having an elongated slot 8 therein. Projecting through theslot 8 andthrough a co-operating member 9 is a bolt 8 provided with suitable nuts and washers.' The member 9 isformed Z shaped and has projecting in opposite directions from 4eachfofits ends, the. members 10 and 11. '45- When the members 7 and 9 are inassembled relation upon the bolt 8, these members may be securely clamped by tightening the nut on the bolt 8 to the bed 12 of alathe. The. freeW end ofsocket 13 `is angularly turned and provided with a socket therethrough, in which engages a bolt 14.

My invention is designed to be used in conjunction with a lathe and is so constructed that the lathe may be utilized Jfor rotating the grinding member 19. In use, the device vthe steps on the cone of the lathe.

is clamped vupon the lathe bed 12 in thev ,manner shown in Fig. 1. The member 23 is then moved by swinging the arm 17 upon the bolt 14 as a pivot, until the member 23 is broughtinto contact with onel-,lff

e member 15 is then tightened so as to retain the device in such a position that a revolution of the step 32 will cause the member 23 to rotate. The member 23 is retained in 'rictional contact on its periphery with the periphery of the member 22. The position of the member 23 relatively to the member 22 maybe regulated by changing the relative position of the bolts 28 in the slots 2,8 and 27".` The relative position of themember 23 to the member 22 may also be regulated by. turning fthe roller 25, this adjustment being possible because of the eccentrical arrangement of vthe socket 26. The member 22 is rigidly mounted upon the shaft 2O by means of a suitable set screw 22 so that upon rotation of' the memberV 22, the grinding member 19 which is rigidly mounted upon the shaft 2() is also caused to rof tate. It is thusseen that the attachment is provided for a lathe whereby the operatorof the lathe will have present close at hand at all times a suitable tool grinder which may be 'set into operation very quickly by swinging" the frame which comprisesthe members 17 -and 18 upon the bolt`14 a pivot.` Inasmuchas the device is operated bymeans of the steps ofthe cone, the tool grinder is never in the way of'A the operatonof the lathe. j

As already pointed out, the frame may-be adjusted vertically relatively to the plane of the bed 12; This adjustment maybe -iurther carried out by means oi the arm 7.'

By reversing thearm 7, that is, by turning 1t over so that the turned portion projects downwardly, the frame is considerably lower its lower end with a suitable opening 17 and through which the bolt 14 projects so as 1 provided with a slot 9 through Whic'hftlieff 1 bolt 8 proj ects.'y By virtue of the slots 8 and '9;"th'e position ofthe arm 417 relatively horito securely 4clamp the member' 17 to th'eiar'm 7. The member 17 is provided with a plurality of openings 17 by means of whichV .the member 17 may be'quickly adjusted 'relai tively to the arm 7. The member 9,--is also zontally to the lathe'bed12 `may be adjusted; TheV arm 17 is provided adjacent its upper 'end With an angiilarly extending `branch '18 V*Whiclifis bifurfcated 4adjacent its upper end to form the biu'rcated portions 24: and 24E.

The member l7''a'djace'nt its upper end is ialso fbifiircated to :Eorm the bifurcated porf tions 2`land'21. Mounted upon a shaft 20 Which projects'through the bifurcated vportions. 21and 21'; 1and intermediate these por "tions is afvvlieel 22. 'Oneend oi? the axle 2O :projects lbeyond the member 21 and has "rigidly-mounted upon it` a Vsuitable tool .-grindingmember 19 comprising a Wheel of zfsandfstone or emery. Positioned between the bifurca'ted portions 24 and 24 is Ia `Wheel '23 having arliub, inthe `hereof which is 'positi'onedfaroller'25 in eachend oiiivhich is formed: an: interiorly threaded e'ccentrically arranged soclet,e'aqch being adapted to receive V a'threaded bolt ZSLWhicli projects through Vtheslots-27" and v28 `formed respec- ,tively in the 'bifurcated lportions' 2lv and 24.

Positioned upon eachofthe bolts 28 is a lockinutf29 which engagesvagainst theouter surfaceofgthe 'members 24 and 2li. The memberr23 isprovided upon its periphery vvitha non-abrasivetire-Sl; such as rubber Tor the like. `Projectingfrom one side of .thesmemher 17;"adjacent{its'loWer end, is a -leg*33; tovvhich is pivotally connected one endoffanfarm 34. Pivotally mounted upon i theoppositeiend of'xthearm-Sll is a table` or restfS-up'on which the-tool is placed While thefgrinding Operation is I'being performed.

. -Iff *.it is desiredfto usethe member 9 with ailathe bed which has-a larger bead than -is shown the member 9 is reversed so that the rInemberrT 4engages the VVmember 10.

' -While I :have illustrated and described thefpreferred -oim of 'construction for carry-in-g my inventioninto edect, this is ca- .ifpable. of variation and modification without Adeparting from the-spirit Voit the invention. I, thereformdo not Wishto be'limited to the preciseidetails 'of the construction set .'orth,

, Patent Vis;-d

Da `vertically 'adjustable' arm but "desire t0 availmyself of suoli variations and' modifications as come lWithin the scope of the appended claims. l

V Having describedmy invention, YWliatfl claim as new and desire to secure by Letters tool comprising a frame;

*1; A grinding swingably @mounted onr-said .frame; vmeans -for securngsaidfranie to ja lathe; agrinding member grotatablymounted on the upperfend of said retainiiic'A said Wheel .in operative tengage- .inent ivithsaidcone.' f 1- arm; means i'r rotati'n 'said-grindingmember; and meansV engaging with said last mentioned means for actuating the same, 'substantially "asl'es'cribedi A tool sharpening attachment for a lathe, comprising a detachable support; an upright svvingably mounted on.said Asup'- port raiidadjustable vertically relative to said :support ;,\a zgrinding member mounted on said support; aV :friction disk securedrto said grinding .meniber; a Lfriction wh'eeln said upright Vengaging Isaidydisk' andthe cone 'of said lathe; land 'binding meansfor 3. A grinding tool comprising 1a.frarne; an upright sivingably mounted on said frame; a clamp for securing saidfraineto 1the' bed of 1a lathe Yatene 1side.'o'f:the"cone A `thereof;.a friction disk on saidzframe-enrgaging said grinding member.; and a fric-V tion -Wheel adjustably imounted to. VengageY said first mentionedv friction disk and the projecting through said bore andfoie ofV said apertures; a handle'having athreaded said upright in position; a grindingfmem- 'ber on said upright; afriction. disk secured to vsaid grinding :meinber; anda `friction Wheel engaging said friction disk ,and'fthe cone-ofsaid latlieto drive said'sgrinding member. Y'

5.A tool: sharpening.attachment-'fior a lathe, comprising :a i'chetachablesupport; an

upright sivingablyV vmounted on 'saidsupport and adjustable rvertic'allyrelative to""said support;a grinding mein-ber mounted 0n said support ;v va firiction` disk vsecured .to 'said grinding `ineinber; an extension ,on said up- 'socket engagingzthe rend-of` said boltwto 4lock Y right; a friction wheel adjustablyrinoiinted Von said extension and engaging `saiddisk andthe cone'of said lathe; 4and means'for retaining said wheel in operative or inopera-l tive engagement with .said cone.

6. A tool sharpening Aattachnieiit forifa lathe, Vcomprisinga detachable*- support; .an upright swing-ably mounted `f'insaidisupport Vand adjustable vertically relative Yto said support; a shaft mounted in said'up-V right.; Aa grinding member mountedionfsaid shaft; a rrictiondisk securedftoA saidlgrind- `ing member; a biiurcated.extensioiifoinsaid uprightgbearing vslotslin` the ends Vof 'said' extension; a -frictionWlie'iel'havingfa bore, f

Iadapted to be mounted in saidV extension;

a Vroller engagingsaidi bore injssaid Wheel and having opposite yeccentrically"V arranged Y threadedV sockets in its endsythreadedbolts isc Y 1,407,455 p l Q projecting through said slots and engaging name to this specification in the presence said sockets; look nuts on said bolts to 0f two subscribing Witnesses. retain same in position; and means for re- ELLIOTT E ANTHONY taining said friction Wheel in operative or 5 inoperative engagement With one side of Witnesses:

the cone of said lathe. lJOSHUA R. H. Por'rs,

In testimony whereof, I have signed my ROSE K. TRIB. 

